it's clear that the opposition continues to make gains in syria. our concern is if they feel like the regime is threatened with collapse, that they might resort to these kinds of weapons. >> the syrians have been loading rockets with deadly sirin gas that they could use against rebels. >>> the brother of mexican american singing sensation jenni rivera is not giving up hope she is still alive. >> in our eyes we have faith my sister will be okay. we have no confirmation of her body being recovered dead or alive. >> rivera's private jet went outside monterrey, mexico. she and six other people on board are believed to be dead. her mangled driver's license and clothing were found at the crash site. no bodies recovered. >>> senator john mccain wants a seat on the foreign relations committee after the new year, setting up a showdown with susan rice. it overseas the state department. if susan rice is nominated to be secretary of state, mccain would be in a position to question her during nomination hearings. mccain has been a big critic of rice, suggesting